Grainger Diagnostic Clinic, PA
NPI 1710934419 · Internal Medicine Physician · Houston, TX
Enrolled with Medicare as Part B Supplier - Clinic/Group Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Grainger Diagnostic Clinic, PA is a Internal Medicine Physician organization in Houston, TX (NPI 1710934419).
Provider details
- NPI number
- 1710934419
- Entity type
- Organization
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Organization subpart
- No
- Authorized official
- Henry Grainger, President(713) 694-9709
- License
- E1595 (TX)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
20 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-05-28
- Last updated
- 2021-04-12
- Certified
- 2021-04-12
Frequently asked questions
- What is Grainger Diagnostic Clinic, PA's NPI number?
- Grainger Diagnostic Clinic, PA's National Provider Identifier (NPI) is 1710934419, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is Grainger Diagnostic Clinic, PA?
- Grainger Diagnostic Clinic, PA is classified in the NPPES registry as Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Grainger Diagnostic Clinic, PA located?
- Grainger Diagnostic Clinic, PA's practice location on file with NPPES is 511a W Tidwell Rd, Houston, TX 77091-4338.
- What is Grainger Diagnostic Clinic, PA's phone number?
- The practice phone number listed in the NPPES registry for Grainger Diagnostic Clinic, PA is (713) 694-9709.
- Does Grainger Diagnostic Clinic, PA accept Medicare?
- Grainger Diagnostic Clinic, PA is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Who is the authorized official for Grainger Diagnostic Clinic, PA?
- The authorized official listed on Grainger Diagnostic Clinic, PA's NPPES record is Henry Grainger, President. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is Grainger Diagnostic Clinic, PA's NPI active?
- Yes — Grainger Diagnostic Clinic, PA's NPI (1710934419) is active in the NPPES registry as of the last update on 2021-04-12.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.